1 files changed, 55 insertions, 4 deletions
diff --git a/ves-list.sh b/ves-list.sh
index 1b90703..61e6bca 100644..100755
--- a/ves-list.sh
+++ b/ves-list.sh
@@ -1,6 +1,57 @@
 #!/bin/sh
+#
+# ves_list: list the entries of a path-like (:-delimited) variable from the
+# live shell, one per line, in order of precedence. With --index, each entry
+# is prefixed by its numeric (0-based) index.
+#
+# ves_envs: list all created sh-ves environments.
+#
+ves_list() {
+    index=0
+    case $1 in
+        --index)
+            index=1
+            shift
+            ;;
+    esac
 
-basename -a "$SHVES_ENV_DIR"/*
-#for i in "$ENV_DIR/*"; do
-#    printf "%s\n" $(basename "$i")
-#done
+    if [ "$#" -lt 1 ]; then
+        printf "ERROR: No variable specified. usage: ves list [--index] <variable>\n" >&2
+        return 2
+    fi
+
+    if ! _shves_check_var_name "$1"; then
+        return 1
+    fi
+
+    # Read the value of the variable named in $1 from the live shell.
+    # For $1 = PATH, this expands to: var_value=${PATH}
+    eval "var_value=\${$1}"
+
+    if [ -z "$var_value" ]; then
+        return 0
+    fi
+
+    i=0
+    _shves_split_begin
+    for entry in $var_value; do
+        if [ "$index" -eq 1 ]; then
+            printf "%d %s\n" "$i" "$entry"
+        else
+            printf "%s\n" "$entry"
+        fi
+        i=$((i + 1))
+    done
+    _shves_split_end
+
+    return 0
+}
+
+ves_envs() {
+    for f in "$SHVES_ENV_DIR"/*; do
+        [ -f "$f" ] || continue
+        basename "$f"
+    done
+
+    return 0
+}